There are 5 books in the Colonial Explorer Corps series. The newest book is The Romara Confrontation which came out in 2025.

1
The Earth Concurrence

Book cover of The Earth Concurrence

A hero with big expectations. A daughter who doesn’t want to live in his shadow.

Siti Kassis, daughter of the “Hero of Darenti Four,” doesn't know what she wants out of life. A lot of her friends are taking time to travel and see the galaxy. But her father wants…

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2
The Grissom Contention

Book cover of The Grissom Contention

Honor and glory await those who graduate from the Explorer Academy. Or so she's been told...

Fresh from the mission to Earth, Siti Kassis, daughter of the "Hero of Darenti Four," enrolls in the Colonial Explorer Corps academy--the same academy where her father was the captain of the grav-ball team,…

3
The Saha Declination

Book cover of The Saha Declination

She survived the academy, but did it prepare her for an alien world?

Siti Kassis excelled at the Academy, earning honors and respect. She has one last cadet mission before she graduates, but it should be easy. She'll be the most junior member of an established Explorer Corps team landing…

4
The Darenti Paradox

Book cover of The Darenti Paradox
Lieutenant Serenity "Siti" Kassis has built a name for herself and the beginning of a career with the Colonial Explorer Corps. But after five years on active duty, she's assigned to a new mission: the return to Darenti.

Over a hundred years ago, her father discovered the first intelligent life…

5
The Romara Confrontation

Book cover of The Romara Confrontation

Two civilizations. One planet. No second chances.

Lieutenant Serenity “Siti” Kassis has trained her whole life for first contact missions, but nothing prepares her for this—arriving at a promising new world only to find it already inhabited by an advanced, spacefaring civilization. As acting commander, it's her call whether to…